Jig.



No. 674,269. Patented May 14, I90l. J. KLEIN.

JIG.

(Application filed Apr. 21, 1900.) I (No Model.) 2 Sheets-Sheet l.

ig/X Wilinwuaw 4 I amintbtl THE NORRIS PEYEM c0. mTG-LITHQ, WASHINGTON, n. c.

No. 674,269. Patnted May 14, I901.

. J. KLEIN.

'JIG.

(Application filed Apr. 21, 1900.

- (No Model.) 2 Sheefs-Sheet z.

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. UNITED STATES PATENT OFFICE.

JOHN KLEIN, OF DESLOGE, MISSOURI, ASSIGNOR OF ONE-HALF TO PAUL A. FUSZ, OF GRANITE, MONTANA, AND CHARLES D. MCLURE, OF ST. LOUIS,

MISSOURI.

' JIG.

SPECIFICATION forming part of Letters Patent N 0. 674,269, dated May 14, 1901.

Application filed April 21, 1900- Serial No. 13,823- (No modelfl I To aZZ whom, it may concern:

Be it known that I, JOHN KLEIN, of the city of Desloge, St. Francois county, State of Missouri, have invented certain new and useful Improvements in Jigs, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part hereof.

This invention relates to jigs; and it consists of the novel construction, combination, and arrangement of parts hereinafter shown, described, and claimed.-

Figure l is a side elevation of my improved jig. Fig. 2 is a plan View. Fig. 3 is an end elevation. Fig. 4 shows the air-conducting pipes made use of in carrying out my invention. Fig. 5 is a sectional view taken on the line a a of Fig. 4 and looking in the direction indicated by the arrow.

In constructing the jig mechanism I provide the posts 17, upon which are mounted the exterior walls 18. The division-walls 19 divide the space inclosed by the walls 18 into a plurality of compartments, and the space between the walls 19 is divided into four plunger-compartments by the transverse wall 20 and by the longitudinal wall 21, Figs. 1 and 3. A screen-compartment is on each side of the plunger-compartments,and under each of said 0 screen-compartments is secured a pair of hoppers 22, each of which is provided with a port 23, through which the water and sediment are drained off. The mixture after having passed through a classifier is conveyed through the pipes 15 to the receptacles 16, carried on the side of the jig. From the said receptacles the material is allowed to pass into the screencompartments through suitable ports. In each of the screen-compartments is a pair of 40 supporting skeleton frames 24 25, the frames 24 being at the forward ends of the compartments and being supported a suitable distance above the frames 25. Upon each of the said frames is supported a screen of ordinary construction,through which the finer particles pass into the hoppers 22, while the ore is forced out through the aperture 26, one of -which is provided over each of the screens. (See Fig. 2. Secured to the side walls 18 and inclosing the apertures 26 are shields 27, the purpose of which is to deflect the ore as it is cast up by the compressed air from below and to cause the same to pass out through the apertures 26.

Rotatably supported in bearings at one side of the device is a drive-shaft 28, carrying on its outer end a belt-pulley 29, and keyed upon the said shaft near its inner end is an eccentric/ 30, to which is connected a rod 31, the inner end thereof being connected to an arm 32, rigidly secured to a rocker-shaft 33. The said rocker-shaft is supported in bearings 34, and keyed upon the said shaft is a pair of rocker-arms 35, there being one of said rockerarms for each laterally-adjacent pair of plunger-compartments. Operatingin each of the plunger-compartments is a plunger 36, the said plunger being connected to the rockerarms 35 by suitable rods 37, and as the said arms operate the plungers will be reciprocated vertically,thereby forcing the water upwardly through the side screens and causing the sedim out to move with the water into the hoppers 22, above described. The said plungers are hollow and are filled with compressed air, the purpose of which is to cushion the shock of each stroke. The tops of the plungers are sloping in order to meet with less resistance on the upward movement, and to prevent any possible lateral displacementI provide guiderods 38, operatingin guides 39, a pair of which is provided for each plunger.

Leading from any suitable source of airsupply is an air-pipe 40, the same extending below the plunger-compartm cuts and between the hoppers 22, and connected to the end of the said pipe is a transverse pipe 41, the ends of said pipe projecting into air-compartments 42, one of which is supported below each of the receivers 16*. The purpose of this arrangement is to provide a source of compressed air to supply any temporary cessation of the supply from the proper source. Leading to the sides of the device from the airpipe 40 are pipes 43, each of which is connected on its outer end with another pipe 44, in which are located suitable valves 45, by which the force of the air-current can be regulated. The ends of the said pipes 44 project through the walls 18, one end under each of the apertures 26, for the purpose of forcing 10s the mineral out, while the gangue is carried into the-hoppers 22, as before stated. Near each end of each of the pipes 44 are located check-valves 45", which prevent the water from entering the pipes, but which allow free passage of the air. I also provide air-check valves 46, which are normally closed and which prevent the passage of the air when so closed. However, at each downward stroke of the plungers the said valves are opened and allow a rush of air into the screen-compartments under each aperture 26. Above the pipe 44:, on each side of the device, is a rod $7, the same being supported in bearings 4-8, secured to the walls 18. Near each end of each of the said rods is secured a set-collar L9, and integral with each of said set-collars is a finger 50, which fingers are in vertical alinement with the check-valves 4-6 and when depressed contact with the said check-valves and open them, allowing the air to pass into the screen-compartmen ts below the apertures 26. To each of the rods is keyed an arm 51, the upper ends of which are pivoted to operating-rods 52, the same being operated bythe rocker-shaft. It may readily be seen from this description that at each operation of the shaft the air-valves on the opposite sides will be alternately opened and closed.

53 denotes a safety-valve which allows the air to escape from the air-compartments 4-2 after a certain pressure has been attained.

I also provide an air-compressor 54: of any preferred construction and which may be operated by the drive-shaft. Suitable connections may be employed to lead the air from the compressor to the various pipes above described. In this manner one drive-shaft op erates the jig mechanism and supplies the power for the compressed air, thereby dispensing with m uch machinery ordinarily used in devices of this kind.

A device constructed in accordance with the above principles possesses superior advantages over others constructed for a similar purpose. Only one eccentric is made use of to operate the entire number of plungers, and the rocker-shaft may be extended to perform a like function over another machine, one eccentric supplying the motive power for the entire number.

I claim-- 1. In a jig, a screen-compartmeut, a plunger-compartment adapted to contain water, a hollow air-charged plunger having a sloping top, within the said plunger-compartment, suitable guides for said plunger, and means for operating the said plunger, substantially s specified.

2. In a jig, a screen-compartment, an airpipe leading to said compartment for conveying air thereto, an air-check valve in said airpipe which valve is normally closed, a plunger-compartment adapted to contain water, a plunger operating in said compartment, a rocker-shaft, means for operating said rockershaft, and means for operating said checkvalve and the said plunger when the said rocker -shaft is operated, substantially as specified.

3. In a device of the class described,a driveshaft, an air-pump, means for operating said pn mp when said shaft is rotated, screen-compartments, tubular connections leading from said pump to said compartments, air-check valves in said tubular connections, which valves are normally closed, a plurality of plunger-compartments, plungers operatingin said compartments, a rocker-shaft for operatin g said plungers, means for oscillating said shaft, and means for opening the said valves when said rocker-shaft is oscillated, substantially as specified.

4:. In a jig, screen-compartments, air-pipes leading in to said screen-compartm en ts,valves in said ail-pipes, plungel compartments, hollow air-charged plunger-s operating in said compartmentsya rocker-shaft, means for oscillating said shaft, means for opening the said valves when said shaft is oscillated, and a combined ore-feed box and air-receiver support-ed at one end of the device, substantially as specified.

In testimony whereof I affix my signature in presence of two witnesses.

JOHN KLEIN.

Witnesses:

WILL SCOTT, ARTHUR FRrrscH. 

